mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
|
|
||
|
|
/* dc encoding for mpeg4 */
|
||
|
|
static const UINT8 DCtab_lum[13][2] =
|
||
|
|
{
|
||
|
|
{3,3}, {3,2}, {2,2}, {2,3}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7},
|
||
|
|
{1,8}, {1,9}, {1,10}, {1,11},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const UINT8 DCtab_chrom[13][2] =
|
||
|
|
{
|
||
|
|
{3,2}, {2,2}, {1,2}, {1,3}, {1,4}, {1,5}, {1,6}, {1,7}, {1,8},
|
||
|
|
{1,9}, {1,10}, {1,11}, {1,12},
|
||
|
|
};
|
||
|
|
|
||
|
|
const UINT16 intra_vlc[103][2] = {
|
||
|
|
{ 0x2, 2 },
|
||
|
|
{ 0x6, 3 },{ 0xf, 4 },{ 0xd, 5 },{ 0xc, 5 },
|
||
|
|
{ 0x15, 6 },{ 0x13, 6 },{ 0x12, 6 },{ 0x17, 7 },
|
||
|
|
{ 0x1f, 8 },{ 0x1e, 8 },{ 0x1d, 8 },{ 0x25, 9 },
|
||
|
|
{ 0x24, 9 },{ 0x23, 9 },{ 0x21, 9 },{ 0x21, 10 },
|
||
|
|
{ 0x20, 10 },{ 0xf, 10 },{ 0xe, 10 },{ 0x7, 11 },
|
||
|
|
{ 0x6, 11 },{ 0x20, 11 },{ 0x21, 11 },{ 0x50, 12 },
|
||
|
|
{ 0x51, 12 },{ 0x52, 12 },{ 0xe, 4 },{ 0x14, 6 },
|
||
|
|
{ 0x16, 7 },{ 0x1c, 8 },{ 0x20, 9 },{ 0x1f, 9 },
|
||
|
|
{ 0xd, 10 },{ 0x22, 11 },{ 0x53, 12 },{ 0x55, 12 },
|
||
|
|
{ 0xb, 5 },{ 0x15, 7 },{ 0x1e, 9 },{ 0xc, 10 },
|
||
|
|
{ 0x56, 12 },{ 0x11, 6 },{ 0x1b, 8 },{ 0x1d, 9 },
|
||
|
|
{ 0xb, 10 },{ 0x10, 6 },{ 0x22, 9 },{ 0xa, 10 },
|
||
|
|
{ 0xd, 6 },{ 0x1c, 9 },{ 0x8, 10 },{ 0x12, 7 },
|
||
|
|
{ 0x1b, 9 },{ 0x54, 12 },{ 0x14, 7 },{ 0x1a, 9 },
|
||
|
|
{ 0x57, 12 },{ 0x19, 8 },{ 0x9, 10 },{ 0x18, 8 },
|
||
|
|
{ 0x23, 11 },{ 0x17, 8 },{ 0x19, 9 },{ 0x18, 9 },
|
||
|
|
{ 0x7, 10 },{ 0x58, 12 },{ 0x7, 4 },{ 0xc, 6 },
|
||
|
|
{ 0x16, 8 },{ 0x17, 9 },{ 0x6, 10 },{ 0x5, 11 },
|
||
|
|
{ 0x4, 11 },{ 0x59, 12 },{ 0xf, 6 },{ 0x16, 9 },
|
||
|
|
{ 0x5, 10 },{ 0xe, 6 },{ 0x4, 10 },{ 0x11, 7 },
|
||
|
|
{ 0x24, 11 },{ 0x10, 7 },{ 0x25, 11 },{ 0x13, 7 },
|
||
|
|
{ 0x5a, 12 },{ 0x15, 8 },{ 0x5b, 12 },{ 0x14, 8 },
|
||
|
|
{ 0x13, 8 },{ 0x1a, 8 },{ 0x15, 9 },{ 0x14, 9 },
|
||
|
|
{ 0x13, 9 },{ 0x12, 9 },{ 0x11, 9 },{ 0x26, 11 },
|
||
|
|
{ 0x27, 11 },{ 0x5c, 12 },{ 0x5d, 12 },{ 0x5e, 12 },
|
||
|
|
{ 0x5f, 12 },{ 0x3, 7 },
|
||
|
|
};
|
||
|
|
|
||
|
|
const INT8 intra_level[102] = {
|
||
|
|
1, 2, 3, 4, 5, 6, 7, 8,
|
||
|
|
9, 10, 11, 12, 13, 14, 15, 16,
|
||
|
|
17, 18, 19, 20, 21, 22, 23, 24,
|
||
|
|
25, 26, 27, 1, 2, 3, 4, 5,
|
||
|
|
6, 7, 8, 9, 10, 1, 2, 3,
|
||
|
|
4, 5, 1, 2, 3, 4, 1, 2,
|
||
|
|
3, 1, 2, 3, 1, 2, 3, 1,
|
||
|
|
2, 3, 1, 2, 1, 2, 1, 1,
|
||
|
|
1, 1, 1, 1, 2, 3, 4, 5,
|
||
|
|
6, 7, 8, 1, 2, 3, 1, 2,
|
||
|
|
1, 2, 1, 2, 1, 2, 1, 2,
|
||
|
|
1, 1, 1, 1, 1, 1, 1, 1,
|
||
|
|
1, 1, 1, 1, 1, 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
const INT8 intra_run[102] = {
|
||
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
||
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
||
|
|
0, 0, 0, 0, 0, 0, 0, 0,
|
||
|
|
0, 0, 0, 1, 1, 1, 1, 1,
|
||
|
|
1, 1, 1, 1, 1, 2, 2, 2,
|
||
|
|
2, 2, 3, 3, 3, 3, 4, 4,
|
||
|
|
4, 5, 5, 5, 6, 6, 6, 7,
|
||
|
|
7, 7, 8, 8, 9, 9, 10, 11,
|
||
|
|
12, 13, 14, 0, 0, 0, 0, 0,
|
||
|
|
0, 0, 0, 1, 1, 1, 2, 2,
|
||
|
|
3, 3, 4, 4, 5, 5, 6, 6,
|
||
|
|
7, 8, 9, 10, 11, 12, 13, 14,
|
||
|
|
15, 16, 17, 18, 19, 20,
|
||
|
|
};
|
||
|
|
|
||
|
|
static RLTable rl_intra = {
|
||
|
|
102,
|
||
|
|
67,
|
||
|
|
intra_vlc,
|
||
|
|
intra_run,
|
||
|
|
intra_level,
|
||
|
|
};
|